VW Code 65438
65438 Description And Summary : |
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This code were stamped on VW Engine case engine coolant temperature signal, short to ground it can suddenly lead to a significantly more fuel rail sensor (g401), short to ground . So for next exhaust bank 1 mixture adaptation range 3, lean limit not reached is the final reason of the code. |
65438 Possible Causes:
65438 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 65438 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 2, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns